gnome-shell/js/ui/notificationDaemon.js
Philip Chimento aefd61c3db js: Avoid double declarations with let
The following code is a syntax error in ES6:

    let a = 'something';
    let a = 'other thing';

Previously GJS would silently accept this code, but in the next release the
SpiderMonkey JS engine will be more ES6-compliant.

https://bugzilla.gnome.org/show_bug.cgi?id=778425
2017-02-10 13:35:50 -08:00

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// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
const Clutter = imports.gi.Clutter;
const GdkPixbuf = imports.gi.GdkPixbuf;
const Gio = imports.gi.Gio;
const GLib = imports.gi.GLib;
const Gtk = imports.gi.Gtk;
const Lang = imports.lang;
const Shell = imports.gi.Shell;
const Mainloop = imports.mainloop;
const St = imports.gi.St;
const Config = imports.misc.config;
const Main = imports.ui.main;
const MessageTray = imports.ui.messageTray;
const Params = imports.misc.params;
const Util = imports.misc.util;
// Should really be defined in Gio.js
const BusIface = '<node> \
<interface name="org.freedesktop.DBus"> \
<method name="GetConnectionUnixProcessID"> \
<arg type="s" direction="in" /> \
<arg type="u" direction="out" /> \
</method> \
</interface> \
</node>';
var BusProxy = Gio.DBusProxy.makeProxyWrapper(BusIface);
function Bus() {
return new BusProxy(Gio.DBus.session, 'org.freedesktop.DBus', '/org/freedesktop/DBus');
}
const FdoNotificationsIface = '<node> \
<interface name="org.freedesktop.Notifications"> \
<method name="Notify"> \
<arg type="s" direction="in"/> \
<arg type="u" direction="in"/> \
<arg type="s" direction="in"/> \
<arg type="s" direction="in"/> \
<arg type="s" direction="in"/> \
<arg type="as" direction="in"/> \
<arg type="a{sv}" direction="in"/> \
<arg type="i" direction="in"/> \
<arg type="u" direction="out"/> \
</method> \
<method name="CloseNotification"> \
<arg type="u" direction="in"/> \
</method> \
<method name="GetCapabilities"> \
<arg type="as" direction="out"/> \
</method> \
<method name="GetServerInformation"> \
<arg type="s" direction="out"/> \
<arg type="s" direction="out"/> \
<arg type="s" direction="out"/> \
<arg type="s" direction="out"/> \
</method> \
<signal name="NotificationClosed"> \
<arg type="u"/> \
<arg type="u"/> \
</signal> \
<signal name="ActionInvoked"> \
<arg type="u"/> \
<arg type="s"/> \
</signal> \
</interface> \
</node>';
const NotificationClosedReason = {
EXPIRED: 1,
DISMISSED: 2,
APP_CLOSED: 3,
UNDEFINED: 4
};
const Urgency = {
LOW: 0,
NORMAL: 1,
CRITICAL: 2
};
const rewriteRules = {
'XChat': [
{ pattern: /^XChat: Private message from: (\S*) \(.*\)$/,
replacement: '<$1>' },
{ pattern: /^XChat: New public message from: (\S*) \((.*)\)$/,
replacement: '$2 <$1>' },
{ pattern: /^XChat: Highlighted message from: (\S*) \((.*)\)$/,
replacement: '$2 <$1>' }
]
};
const FdoNotificationDaemon = new Lang.Class({
Name: 'FdoNotificationDaemon',
_init: function() {
this._dbusImpl = Gio.DBusExportedObject.wrapJSObject(FdoNotificationsIface, this);
this._dbusImpl.export(Gio.DBus.session, '/org/freedesktop/Notifications');
this._sources = [];
this._senderToPid = {};
this._notifications = {};
this._busProxy = new Bus();
this._nextNotificationId = 1;
Shell.WindowTracker.get_default().connect('notify::focus-app',
Lang.bind(this, this._onFocusAppChanged));
Main.overview.connect('hidden',
Lang.bind(this, this._onFocusAppChanged));
},
_imageForNotificationData: function(hints) {
if (hints['image-data']) {
let [width, height, rowStride, hasAlpha,
bitsPerSample, nChannels, data] = hints['image-data'];
return Shell.util_create_pixbuf_from_data(data, GdkPixbuf.Colorspace.RGB, hasAlpha,
bitsPerSample, width, height, rowStride);
} else if (hints['image-path']) {
return new Gio.FileIcon({ file: Gio.File.new_for_path(hints['image-path']) });
}
return null;
},
_fallbackIconForNotificationData: function(hints) {
let stockIcon;
switch (hints.urgency) {
case Urgency.LOW:
case Urgency.NORMAL:
stockIcon = 'gtk-dialog-info';
break;
case Urgency.CRITICAL:
stockIcon = 'gtk-dialog-error';
break;
}
return new Gio.ThemedIcon({ name: stockIcon });
},
_iconForNotificationData: function(icon) {
if (icon) {
if (icon.substr(0, 7) == 'file://')
return new Gio.FileIcon({ file: Gio.File.new_for_uri(icon) });
else if (icon[0] == '/')
return new Gio.FileIcon({ file: Gio.File.new_for_path(icon) });
else
return new Gio.ThemedIcon({ name: icon });
}
return null;
},
_lookupSource: function(title, pid) {
for (let i = 0; i < this._sources.length; i++) {
let source = this._sources[i];
if (source.pid == pid && source.initialTitle == title)
return source;
}
return null;
},
// Returns the source associated with ndata.notification if it is set.
// If the existing or requested source is associated with a tray icon
// and passed in pid matches a pid of an existing source, the title
// match is ignored to enable representing a tray icon and notifications
// from the same application with a single source.
//
// If no existing source is found, a new source is created as long as
// pid is provided.
//
// Either a pid or ndata.notification is needed to retrieve or
// create a source.
_getSource: function(title, pid, ndata, sender) {
if (!pid && !(ndata && ndata.notification))
return null;
// We use notification's source for the notifications we still have
// around that are getting replaced because we don't keep sources
// for transient notifications in this._sources, but we still want
// the notification associated with them to get replaced correctly.
if (ndata && ndata.notification)
return ndata.notification.source;
let source = this._lookupSource(title, pid);
if (source) {
source.setTitle(title);
return source;
}
source = new FdoNotificationDaemonSource(title, pid, sender, ndata ? ndata.hints['desktop-entry'] : null);
this._sources.push(source);
source.connect('destroy', Lang.bind(this, function() {
let index = this._sources.indexOf(source);
if (index >= 0)
this._sources.splice(index, 1);
}));
Main.messageTray.add(source);
return source;
},
NotifyAsync: function(params, invocation) {
let [appName, replacesId, icon, summary, body, actions, hints, timeout] = params;
let id;
for (let hint in hints) {
// unpack the variants
hints[hint] = hints[hint].deep_unpack();
}
hints = Params.parse(hints, { urgency: Urgency.NORMAL }, true);
// Filter out chat, presence, calls and invitation notifications from
// Empathy, since we handle that information from telepathyClient.js
//
// Note that empathy uses im.received for one to one chats and
// x-empathy.im.mentioned for multi-user, so we're good here
if (appName == 'Empathy' && hints['category'] == 'im.received') {
// Ignore replacesId since we already sent back a
// NotificationClosed for that id.
id = this._nextNotificationId++;
let idle_id = Mainloop.idle_add(Lang.bind(this,
function () {
this._emitNotificationClosed(id, NotificationClosedReason.DISMISSED);
return GLib.SOURCE_REMOVE;
}));
GLib.Source.set_name_by_id(idle_id, '[gnome-shell] this._emitNotificationClosed');
return invocation.return_value(GLib.Variant.new('(u)', [id]));
}
let rewrites = rewriteRules[appName];
if (rewrites) {
for (let i = 0; i < rewrites.length; i++) {
let rule = rewrites[i];
if (summary.search(rule.pattern) != -1)
summary = summary.replace(rule.pattern, rule.replacement);
}
}
// Be compatible with the various hints for image data and image path
// 'image-data' and 'image-path' are the latest name of these hints, introduced in 1.2
if (!hints['image-path'] && hints['image_path'])
hints['image-path'] = hints['image_path']; // version 1.1 of the spec
if (!hints['image-data']) {
if (hints['image_data'])
hints['image-data'] = hints['image_data']; // version 1.1 of the spec
else if (hints['icon_data'] && !hints['image-path'])
// early versions of the spec; 'icon_data' should only be used if 'image-path' is not available
hints['image-data'] = hints['icon_data'];
}
let ndata = { appName: appName,
icon: icon,
summary: summary,
body: body,
actions: actions,
hints: hints,
timeout: timeout };
if (replacesId != 0 && this._notifications[replacesId]) {
ndata.id = id = replacesId;
ndata.notification = this._notifications[replacesId].notification;
} else {
replacesId = 0;
ndata.id = id = this._nextNotificationId++;
}
this._notifications[id] = ndata;
let sender = invocation.get_sender();
let pid = this._senderToPid[sender];
let source = this._getSource(appName, pid, ndata, sender, null);
if (source) {
this._notifyForSource(source, ndata);
return invocation.return_value(GLib.Variant.new('(u)', [id]));
}
if (replacesId) {
// There's already a pending call to GetConnectionUnixProcessID,
// which will see the new notification data when it finishes,
// so we don't have to do anything.
return invocation.return_value(GLib.Variant.new('(u)', [id]));;
}
this._busProxy.GetConnectionUnixProcessIDRemote(sender, Lang.bind(this, function (result, excp) {
// The app may have updated or removed the notification
ndata = this._notifications[id];
if (!ndata)
return;
if (excp) {
logError(excp, 'Call to GetConnectionUnixProcessID failed');
return;
}
let [pid] = result;
source = this._getSource(appName, pid, ndata, sender, null);
this._senderToPid[sender] = pid;
source.connect('destroy', Lang.bind(this, function() {
delete this._senderToPid[sender];
}));
this._notifyForSource(source, ndata);
}));
return invocation.return_value(GLib.Variant.new('(u)', [id]));
},
_notifyForSource: function(source, ndata) {
let [id, icon, summary, body, actions, hints, notification] =
[ndata.id, ndata.icon, ndata.summary, ndata.body,
ndata.actions, ndata.hints, ndata.notification];
if (notification == null) {
notification = new MessageTray.Notification(source);
ndata.notification = notification;
notification.connect('destroy', Lang.bind(this,
function(n, reason) {
delete this._notifications[ndata.id];
let notificationClosedReason;
switch (reason) {
case MessageTray.NotificationDestroyedReason.EXPIRED:
notificationClosedReason = NotificationClosedReason.EXPIRED;
break;
case MessageTray.NotificationDestroyedReason.DISMISSED:
notificationClosedReason = NotificationClosedReason.DISMISSED;
break;
case MessageTray.NotificationDestroyedReason.SOURCE_CLOSED:
notificationClosedReason = NotificationClosedReason.APP_CLOSED;
break;
}
this._emitNotificationClosed(ndata.id, notificationClosedReason);
}));
}
let gicon = this._iconForNotificationData(icon, hints);
let gimage = this._imageForNotificationData(hints);
// If an icon is not specified, we use 'image-data' or 'image-path' hint for an icon
// and don't show a large image. There are currently many applications that use
// notify_notification_set_icon_from_pixbuf() from libnotify, which in turn sets
// the 'image-data' hint. These applications don't typically pass in 'app_icon'
// argument to Notify() and actually expect the pixbuf to be shown as an icon.
// So the logic here does the right thing for this case. If both an icon and either
// one of 'image-data' or 'image-path' are specified, the icon and takes precedence.
if (!gicon && gimage)
gicon = gimage;
else if (!gicon)
gicon = this._fallbackIconForNotificationData(hints);
notification.update(summary, body, { gicon: gicon,
bannerMarkup: true,
clear: true,
soundFile: hints['sound-file'],
soundName: hints['sound-name'] });
let hasDefaultAction = false;
if (actions.length) {
for (let i = 0; i < actions.length - 1; i += 2) {
let [actionId, label] = [actions[i], actions[i+1]];
if (actionId == 'default')
hasDefaultAction = true;
else
notification.addAction(label, Lang.bind(this, function() {
this._emitActionInvoked(ndata.id, actionId);
}));
}
}
if (hasDefaultAction) {
notification.connect('activated', Lang.bind(this, function() {
this._emitActionInvoked(ndata.id, 'default');
}));
} else {
notification.connect('activated', Lang.bind(this, function() {
source.open();
}));
}
switch (hints.urgency) {
case Urgency.LOW:
notification.setUrgency(MessageTray.Urgency.LOW);
break;
case Urgency.NORMAL:
notification.setUrgency(MessageTray.Urgency.NORMAL);
break;
case Urgency.CRITICAL:
notification.setUrgency(MessageTray.Urgency.CRITICAL);
break;
}
notification.setResident(hints.resident == true);
// 'transient' is a reserved keyword in JS, so we have to retrieve the value
// of the 'transient' hint with hints['transient'] rather than hints.transient
notification.setTransient(hints['transient'] == true);
let sourceGIcon = source.useNotificationIcon ? gicon : null;
source.processNotification(notification, sourceGIcon);
},
CloseNotification: function(id) {
let ndata = this._notifications[id];
if (ndata) {
if (ndata.notification)
ndata.notification.destroy(MessageTray.NotificationDestroyedReason.SOURCE_CLOSED);
delete this._notifications[id];
}
},
GetCapabilities: function() {
return [
'actions',
// 'action-icons',
'body',
// 'body-hyperlinks',
// 'body-images',
'body-markup',
// 'icon-multi',
'icon-static',
'persistence',
'sound',
];
},
GetServerInformation: function() {
return [
Config.PACKAGE_NAME,
'GNOME',
Config.PACKAGE_VERSION,
'1.2'
];
},
_onFocusAppChanged: function() {
let tracker = Shell.WindowTracker.get_default();
if (!tracker.focus_app)
return;
for (let i = 0; i < this._sources.length; i++) {
let source = this._sources[i];
if (source.app == tracker.focus_app) {
source.destroyNonResidentNotifications();
return;
}
}
},
_emitNotificationClosed: function(id, reason) {
this._dbusImpl.emit_signal('NotificationClosed',
GLib.Variant.new('(uu)', [id, reason]));
},
_emitActionInvoked: function(id, action) {
this._dbusImpl.emit_signal('ActionInvoked',
GLib.Variant.new('(us)', [id, action]));
}
});
const FdoNotificationDaemonSource = new Lang.Class({
Name: 'FdoNotificationDaemonSource',
Extends: MessageTray.Source,
_init: function(title, pid, sender, appId) {
// Need to set the app before chaining up, so
// methods called from the parent constructor can find it
this.pid = pid;
this.app = this._getApp(appId);
this.parent(title);
this.initialTitle = title;
if (this.app)
this.title = this.app.get_name();
else
this.useNotificationIcon = true;
if (sender)
this._nameWatcherId = Gio.DBus.session.watch_name(sender,
Gio.BusNameWatcherFlags.NONE,
null,
Lang.bind(this, this._onNameVanished));
else
this._nameWatcherId = 0;
},
_createPolicy: function() {
if (this.app && this.app.get_app_info()) {
let id = this.app.get_id().replace(/\.desktop$/,'');
return new MessageTray.NotificationApplicationPolicy(id);
} else {
return new MessageTray.NotificationGenericPolicy();
}
},
_onNameVanished: function() {
// Destroy the notification source when its sender is removed from DBus.
// Only do so if this.app is set to avoid removing "notify-send" sources, senders
// of which аre removed from DBus immediately.
// Sender being removed from DBus would normally result in a tray icon being removed,
// so allow the code path that handles the tray icon being removed to handle that case.
if (this.app)
this.destroy();
},
processNotification: function(notification, gicon) {
if (gicon)
this._gicon = gicon;
this.iconUpdated();
let tracker = Shell.WindowTracker.get_default();
if (notification.resident && this.app && tracker.focus_app == this.app)
this.pushNotification(notification);
else
this.notify(notification);
},
_getApp: function(appId) {
let app;
app = Shell.WindowTracker.get_default().get_app_from_pid(this.pid);
if (app != null)
return app;
if (appId) {
app = Shell.AppSystem.get_default().lookup_app(appId + '.desktop');
if (app != null)
return app;
}
return null;
},
setTitle: function(title) {
// Do nothing if .app is set, we don't want to override the
// app name with whatever is provided through libnotify (usually
// garbage)
if (this.app)
return;
this.parent(title);
},
open: function() {
this.openApp();
this.destroyNonResidentNotifications();
},
openApp: function() {
if (this.app == null)
return;
this.app.activate();
Main.overview.hide();
Main.panel.closeCalendar();
},
destroy: function() {
if (this._nameWatcherId) {
Gio.DBus.session.unwatch_name(this._nameWatcherId);
this._nameWatcherId = 0;
}
this.parent();
},
createIcon: function(size) {
if (this.app) {
return this.app.create_icon_texture(size);
} else if (this._gicon) {
return new St.Icon({ gicon: this._gicon,
icon_size: size });
} else {
return null;
}
}
});
const PRIORITY_URGENCY_MAP = {
low: MessageTray.Urgency.LOW,
normal: MessageTray.Urgency.NORMAL,
high: MessageTray.Urgency.HIGH,
urgent: MessageTray.Urgency.CRITICAL
};
const GtkNotificationDaemonNotification = new Lang.Class({
Name: 'GtkNotificationDaemonNotification',
Extends: MessageTray.Notification,
_init: function(source, notification) {
this.parent(source);
this._serialized = GLib.Variant.new('a{sv}', notification);
let { "title": title,
"body": body,
"icon": gicon,
"urgent": urgent,
"priority": priority,
"buttons": buttons,
"default-action": defaultAction,
"default-action-target": defaultActionTarget } = notification;
if (priority) {
let urgency = PRIORITY_URGENCY_MAP[priority.unpack()];
this.setUrgency(urgency != undefined ? urgency : MessageTray.Urgency.NORMAL);
} else if (urgent) {
this.setUrgency(urgent.unpack() ? MessageTray.Urgency.CRITICAL
: MessageTray.Urgency.NORMAL);
} else {
this.setUrgency(MessageTray.Urgency.NORMAL);
}
if (buttons) {
buttons.deep_unpack().forEach(Lang.bind(this, function(button) {
this.addAction(button.label.unpack(),
Lang.bind(this, this._onButtonClicked, button));
}));
}
this._defaultAction = defaultAction ? defaultAction.unpack() : null;
this._defaultActionTarget = defaultActionTarget;
this.update(title.unpack(), body ? body.unpack() : null,
{ gicon: gicon ? Gio.icon_deserialize(gicon) : null });
},
_activateAction: function(namespacedActionId, target) {
if (namespacedActionId) {
if (namespacedActionId.startsWith('app.')) {
let actionId = namespacedActionId.slice('app.'.length);
this.source.activateAction(actionId, target);
}
} else {
this.source.open();
}
},
_onButtonClicked: function(button) {
let { 'action': action, 'target': actionTarget } = button;
this._activateAction(action.unpack(), actionTarget);
},
activate: function() {
this._activateAction(this._defaultAction, this._defaultActionTarget);
this.parent();
},
serialize: function() {
return this._serialized;
},
});
const FdoApplicationIface = '<node> \
<interface name="org.freedesktop.Application"> \
<method name="ActivateAction"> \
<arg type="s" direction="in" /> \
<arg type="av" direction="in" /> \
<arg type="a{sv}" direction="in" /> \
</method> \
<method name="Activate"> \
<arg type="a{sv}" direction="in" /> \
</method> \
</interface> \
</node>';
const FdoApplicationProxy = Gio.DBusProxy.makeProxyWrapper(FdoApplicationIface);
function objectPathFromAppId(appId) {
return '/' + appId.replace(/\./g, '/');
}
function getPlatformData() {
let startupId = GLib.Variant.new('s', '_TIME' + global.get_current_time());
return { "desktop-startup-id": startupId };
}
function InvalidAppError() {}
const GtkNotificationDaemonAppSource = new Lang.Class({
Name: 'GtkNotificationDaemonAppSource',
Extends: MessageTray.Source,
_init: function(appId) {
this._appId = appId;
this._objectPath = objectPathFromAppId(appId);
this._app = Shell.AppSystem.get_default().lookup_app(appId + '.desktop');
if (!this._app)
throw new InvalidAppError();
this._notifications = {};
this._notificationPending = false;
this.parent(this._app.get_name());
},
createIcon: function(size) {
return this._app.create_icon_texture(size);
},
_createPolicy: function() {
return new MessageTray.NotificationApplicationPolicy(this._appId);
},
_createApp: function(callback) {
return new FdoApplicationProxy(Gio.DBus.session, this._appId, this._objectPath, callback);
},
activateAction: function(actionId, target) {
this._createApp(function (app, error) {
if (error == null)
app.ActivateActionRemote(actionId, target ? [target] : [], getPlatformData());
else
logError(error, 'Failed to activate application proxy');
});
Main.overview.hide();
Main.panel.closeCalendar();
},
open: function() {
this._createApp(function (app, error) {
if (error == null)
app.ActivateRemote(getPlatformData());
else
logError(error, 'Failed to open application proxy');
});
Main.overview.hide();
Main.panel.closeCalendar();
},
addNotification: function(notificationId, notificationParams, showBanner) {
this._notificationPending = true;
if (this._notifications[notificationId])
this._notifications[notificationId].destroy();
let notification = new GtkNotificationDaemonNotification(this, notificationParams);
notification.connect('destroy', Lang.bind(this, function() {
delete this._notifications[notificationId];
}));
this._notifications[notificationId] = notification;
if (showBanner)
this.notify(notification);
else
this.pushNotification(notification);
this._notificationPending = false;
},
destroy: function(reason) {
if (this._notificationPending)
return;
this.parent(reason);
},
removeNotification: function(notificationId) {
if (this._notifications[notificationId])
this._notifications[notificationId].destroy(MessageTray.NotificationDestroyedReason.SOURCE_CLOSED);
},
serialize: function() {
let notifications = [];
for (let notificationId in this._notifications) {
let notification = this._notifications[notificationId];
notifications.push([notificationId, notification.serialize()]);
}
return [this._appId, notifications];
},
});
const GtkNotificationsIface = '<node> \
<interface name="org.gtk.Notifications"> \
<method name="AddNotification"> \
<arg type="s" direction="in" /> \
<arg type="s" direction="in" /> \
<arg type="a{sv}" direction="in" /> \
</method> \
<method name="RemoveNotification"> \
<arg type="s" direction="in" /> \
<arg type="s" direction="in" /> \
</method> \
</interface> \
</node>';
const GtkNotificationDaemon = new Lang.Class({
Name: 'GtkNotificationDaemon',
_init: function() {
this._sources = {};
this._loadNotifications();
this._dbusImpl = Gio.DBusExportedObject.wrapJSObject(GtkNotificationsIface, this);
this._dbusImpl.export(Gio.DBus.session, '/org/gtk/Notifications');
Gio.DBus.session.own_name('org.gtk.Notifications', Gio.BusNameOwnerFlags.REPLACE, null, null);
},
_ensureAppSource: function(appId) {
if (this._sources[appId])
return this._sources[appId];
let source = new GtkNotificationDaemonAppSource(appId);
source.connect('destroy', Lang.bind(this, function() {
delete this._sources[appId];
this._saveNotifications();
}));
source.connect('count-updated', Lang.bind(this, this._saveNotifications));
Main.messageTray.add(source);
this._sources[appId] = source;
return source;
},
_loadNotifications: function() {
this._isLoading = true;
let value = global.get_persistent_state('a(sa(sv))', 'notifications');
if (value) {
let sources = value.deep_unpack();
sources.forEach(Lang.bind(this, function([appId, notifications]) {
if (notifications.length == 0)
return;
let source;
try {
source = this._ensureAppSource(appId);
} catch(e if e instanceof InvalidAppError) {
return;
}
notifications.forEach(function([notificationId, notification]) {
source.addNotification(notificationId, notification.deep_unpack(), false);
});
}));
}
this._isLoading = false;
},
_saveNotifications: function() {
if (this._isLoading)
return;
let sources = [];
for (let appId in this._sources) {
let source = this._sources[appId];
sources.push(source.serialize());
}
global.set_persistent_state('notifications', new GLib.Variant('a(sa(sv))', sources));
},
AddNotificationAsync: function(params, invocation) {
let [appId, notificationId, notification] = params;
let source;
try {
source = this._ensureAppSource(appId);
} catch(e if e instanceof InvalidAppError) {
invocation.return_dbus_error('org.gtk.Notifications.InvalidApp', 'The app by ID "%s" could not be found'.format(appId));
return;
}
source.addNotification(notificationId, notification, true);
invocation.return_value(null);
},
RemoveNotificationAsync: function(params, invocation) {
let [appId, notificationId] = params;
let source = this._sources[appId];
if (source)
source.removeNotification(notificationId);
invocation.return_value(null);
},
});
const NotificationDaemon = new Lang.Class({
Name: 'NotificationDaemon',
_init: function() {
this._fdoNotificationDaemon = new FdoNotificationDaemon();
this._gtkNotificationDaemon = new GtkNotificationDaemon();
},
});